CVE-2023-4883: OPEN5GS

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.

Affected products

• OPEN5GS OPEN5GS: up to and including 2.4.10

Published 2023-10-03. Last modified 2026-06-17.